Very cool! Does it allow '.' in property names? Unfortunately the
Datastore Viewer doesn't .
On 26 Feb 2010, at 22:30, vbart wrote:
Last night we released a new version including improved GQL dynamic
parser.
Operators != and IN are supported now and also several bugs were
fixed.
More info at http://audao.spoledge.com/doc-gae-features.html#gqlparser
Vaclav
On Feb 24, 11:00 pm, David Lam <[email protected]> wrote:
On Wed, Feb 24, 2010 at 1:37 AM, vbart
<[email protected]> wrote:
I can offer only listing solution, based on our free GQL dynamic
parser -http://audao.spoledge.com/download.jsp
The full JSP you can find here:
http://vaclavb.blogspot.com/2010/02/google-app-engine-data-viewer-gql
...
The GQL parser (class GqlDynamic) converts GQL queries into low-
level
datastore API calls, so the basic code of fetching entities can be:
import com.google.appengine.api.datastore.DatastoreServiceFactory;
import com.google.appengine.api.datastore.Entity;
import com.spoledge.audao.parser.gql.GqlDynamic;
import java.util.List;
...
GqlDynamic gqld = new GqlDynamic();
gqld
.setDatastoreService
( DatastoreServiceFactory.getDatastoreService());
String gql = "SELECT * FROM MyEntity WHERE prop1='test' ORDER BY
prop2 LIMIT 10";
List<Entity> result =
gqld.prepareQuery( gql ).asList( gqld.getFetchOptions());
Then you just need to render the result in a JSP page.
The GQL parser currently does not support operators '!=' and 'IN',
but
we are going to launch a new version in a few days which will
support
all GQL features.
Vaclav
hmm thanks for the tip! i actually was unaware the way to do
something like
this was to build a google datastore.Query to represent the GQL
statement...
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